investigator working with 600 hoi polloi who use the HIV bar pill Truvada have just revealed their striking results : after more than two - and - a - half years , no new HIV infections have been detected . The study was published inClinical Infectious Diseasesthis week .
The daily pill Truvada is what ’s known as an HIV pre - exposure prophylaxis ( PrEP ) . Green - fall by theU.S. Food and Drug Administrationin July 2012 , it ’s the first drug approve that reduces the danger of infection in uninfected individuals who may lease in sexual activeness with HIV - infect partners . When the person is discover to HIV , two anti - retroviral medicines ( scream tenofovir and emtricitabine ) turn back within the lozenge work to keep the virus from establishing a lasting infection when accept systematically , concord to theCenters for Disease Control and Prevention .
betimes on , the blue pill was criticized for encouraging insecure sex because of a false sense of security , SFGatereports . However , apublished studythat looked at sexual risk of exposure recompense in those taking preparation line up this not to be the lawsuit , and in fact observed atrendtowards dependable sex activity .
For this discipline in San Francisco , aKaiser Permanente teamtracked 657 PrEP users , almost all of whom were merry or bisexual men , over the course of 32 months . Despite the high-pitched rates of sexually transmitted infections among the participants – as well as written report of wild deportment , such as injection drug usance and diminish condom use – there were no newfangled HIV infection among this bailiwick mathematical group . So they did sign STIs include chlamydia , gonorrhea , and syphilis , but not HIV .
“ This is very reassuring data , ” work leader Jonathan Volk of Kaiser Permanente San Francisco Medical Center narrate theNew York Times . “ It order us that PrEP works even in a high - peril universe . ” It ’s well combined with condoms and frequent STI - examination .
This is the first actual - humanity study of Truvada , although observational studies are n’t typically considered as scientifically rigorous as randomized clinical trials that utilize control groups and placebos . Also , the researcher do n’t know for sure if the participant took their pills on a regular basis . “ PrEP is another line of defense,”Volk said . “ I do n’t guess PrEP is right for everybody . But for the kinfolk who need it , it works , ” he added in an interview withSF Gate .
